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source:Industry News release time:2020-12-02 Article author:sznbone Popular:Prison Jamming system
In the report of the 18th National Congress of the Communist Party of China, a total of many statements mentioned information technology and information security, and for the first time clearly put forward the goal of "improving the information security system". China has included informatization and network information security in national development. One of the highest strategic directions.
With the rapid development of information technology, data has become the core asset of user information. The "Prism Gate" incident continues to ferment, and both personal privacy awareness and corporate data security awareness have doubled. Data security is mainly to solve the problems of data-level authority management and data leakage prevention. Voice leakage is an important link.
"Southern People Weekly" tells a story of a man named Qi Hong who broke the wiretap of an official. In 2011, he dismantled more than 300 wiretapping devices from the cars, offices or bedrooms of hundreds of officials. At the highest concentration, he dismantled more than 40 devices a week. And these devices come from their wives, lovers, colleagues and opponents.
A familiar talent is a pass. Officials used acquaintances to find him for testing and dismantled the eavesdropping equipment. To be on the safe side or to detect an abnormality-for example, if the wife learns a secret whereabouts and the leader speaks "with words", they will all find Qi Hong. During the busiest week, he took out more than forty.
"Now we have to hug each other when we meet, and take the opportunity to feel whether the other person is wearing equipment. It is important to talk to the bathing center," he said. This shocked the people present. In the Shandong area, such a phenomenon has never been heard before, and they all sighed with emotion that people's hearts are unreliable.
How to prevent recording more effectively? The most effective way to prevent recording is to generate random noise signals through the recording muffler, which produces suppressive interference to the voice signal, so that the recording device picks up only noise information, but cannot distinguish the voice. Information, and cannot restore the original information from the recorded signal, thereby ensuring the security of the voice information. The recording blocker adopts security encryption processing, and effectively prevents post-recovery by mixing high and low frequency audio sources.
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